Mesopotamia
Mesopotamian Timeline
5000 B.C. The first towns are formed in Mesopotamia. 4000 B.C. The Mesopotamians establish large cities and build ziggurats. 3500 B.C. The citie-states Ur, Uruk, Eridu, Lagash, and Nippur are built. 3300 B.C. The Mesopotamians invented the first form of writing: Cuneiform writing. 3200 B.C.